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Atari Portfolio connectors pinout

• PortFolio Credit Card Memory
• Portfolio system expansion connector
• PortFolio Serial Port
• Portfolio Parallel Port

Atari Portfolio system expansion connector

60 pin portfolio slot male at computer side

1	ABUF		2	5VS
3	REDY		4	VCC
5	BCOM		6	NCC1
7	NMD1		8	WAKE
9	DTR		10	DEN
11	PDET		12	IINT
13	CCLK		14	MRST
15	HLDA		16	HLDO
17	IACK		18	CDET
19	IOM		20	A19
21	A18		22	A17
23	A16		24	A15
25	A14		26	A13
27	A12		28	A11
29	A10		30	A9
31	A8		32	VRAM
33	HLDI		34	ALE
35	GND		36	NMIO
37	OA7		38	OA6
39	OA5		40	OA4
41	OA3		42	OA2
43	OA1		44	OA0
45	AD0		46	AD1
47	AD2		48	AD3
49	AD4		50	AD5
51	AD6		52	AD7
53	EINT		54	NRDI
55	VEXT		56	EACK
57	BATD		58	NWRI
59	5VS		60	BBUF